<html xmlns:wicket>
<body>

<div wicket:id="first"/>
<a wicket:id="add">Add</a>

<wicket:fragment wicket:id="node">
  <span wicket:id="number"></span><br/>
  <div wicket:id="nextContainer">
    <div wicket:id="next"></div>
  </div>
</wicket:fragment>

</body>
</html>